What is the fastest-growing religion on Earth? Most news reports suggest it is Islam. But a new book makes a compelling case it is a new, or, perhaps, old form of biblically inspired evangelical Christianity that is sweeping through places like China, Africa, India and Southeast Asia. In "Megashift," author Jim Rutz coins a new phrase to define this fast-growing segment of the population. He calls them "core apostolics" - or "the new saints who are at the heart of the mushrooming kingdom of God." Rutz makes the point that Christianity is overlooked as the fastest-growing faith in the world...